Home / 10,219.10-15,329.37-2,822.99

Finding the Fourth Proportional to 10,219.10, 15,329.37 and 2,822.99

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Solution

The fourth proportional to 10,219.10, 15,329.37 and 2,822.99 is: 4,234.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.10 : 15,329.37 = 2,822.99 : x
  2. Step 2: Convert to fraction form
    10,219.10/15,329.37 = 2,822.99/x
  3. Step 3: Cross multiply
    10,219.10x = 15,329.37 × 2,822.99
  4. Step 4: Simplify right side
    10,219.10x = 43,274,658.22
  5. Step 5: Solve for x
    x = 43,274,658.22/10,219.10
  6. Step 6: Final answer
    x = 4,234.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.